.ant-carousel .slick-slide {
    text-align: center;
    height: auto;
    /* line-height: 160px; */
    /* background: #364d79; */
    z-index: 10000;
    /* width:100%; */
    overflow: hidden;
  }
  
  
  .ant-carousel .slick-slide h3 {
    color: #fff;
  }
  .ptr{
     /* height:600px; */
  }
@media screen and (min-width: 1790px) {
    .logo2{
        display: block;
        height: 50px;
        width:300px;
        line-height: 40px;
    }
    .logo1{
        display: none;
        height: 50px;
    }
    .nav{
        background-color: rgba(28,35,39,0.7);
        height: 50px;
        width: 100%;
        position: absolute;
        top:0px;
        color: white;
        min-width: 1790px;
    }
    .nav2{
        position: absolute;
        height: 100px;
        width: 100%;
        position: absolute;
        top:50px;
        color: white;
        line-height: 45px;
        text-align: center;
        transition: all 0s;
        display: none;
    }
    .navitem1{
        position: relative;
        margin-left: 68%;
        float:left;
        font-size: 13px;
        height: 50px;
        width:100px;
        line-height: 45px;
        text-align: center;
        top:-50px;
    }
    .navitem{
        top:-50px;
        position: relative;
        margin-left: 10px;
        float:left;
        font-size: 13px;
        height: 50px;
        width:100px;
        line-height: 45px;
        text-align: center;
    }
    .navitem2{
        font-size: 20px;
        height: 80px;
        width:20%;
        line-height: 85px;
        text-align: center;
        float:left;
        margin-left: 0px;
        height: 100px;
        background-color: rgba(28,35,39,0.6);
    }
    .navitem3{
        font-size: 20px;
        height: 100px;
        width:20%;
        line-height: 85px;
        text-align: center;
        margin-left: 0px;
        background-color: rgba(28,35,39,0.6);
        float:left;
    }
    .navitemtext{
      text-align: center;
      line-height: 20px;
      text-decoration: none;
      color: white
  }
}
@media screen and (max-width: 1790px) {
    .logo1{
        display: block;
        height: 50px;
    }
    .logo2{
        display: none;
        height: 50px;
        position: absolute;
        left:20%;
        top:0px;
    }
    .logo1:hover >.nav1{
        display: block;
    }
    .nav{
        background-color: rgba(28,35,39,0.8);
        height: 50px;
        width: 100%;
        position: absolute;
        top:0px;
        color: white;
        /* display: none; */
    }
    .nav1{
        position: absolute;
        background-color: rgba(28,35,39,0.8);
        height: 630px;
        width: 252px;
        position: absolute;
        top:50px;
        color: white;
        line-height: 45px;
        text-align: center;
        transition: all 0.5s;
        display: none;
        z-index: 100000;
    }
    .nav2{
        position: absolute;
        height: 630px;
        width: 252px;
        position: absolute;
        top:50px;
        color: white;
        line-height: 45px;
        text-align: center;
        transition: all 0.5s;
        display: none;
    }
    .navitem1{
        margin-top: 30px;
        font-size: 13px;
        height: 50px;
        width:100px;
        line-height: 45px;
        text-align: center;
        margin-left: 80px;
        height: 100px;
        /* background-color: rgba(28,35,39,0.7); */
    }
    .navitem{
        font-size: 13px;
        height: 100px;
        width:100px;
        line-height: 45px;
        text-align: center;
        margin-left: 80px;
        /* background-color: rgba(28,35,39,0.7); */
    }
    .navitem2{
        margin-top: 30px;
        font-size: 13px;
        width:100px;
        line-height: 45px;
        text-align: center;
        margin-left: 80px;
        height: 100px;
        /* background-color: rgba(28,35,39,0.7); */
    }
    .navitem3{
        font-size: 13px;
        height: 100px;
        width:100px;
        line-height: 45px;
        text-align: center;
        margin-left: 80px;
        /* background-color: rgba(28,35,39,0.7); */
    }
    .navitemtext{
      text-align: center;
      line-height: 20px;
      text-decoration: none;
      color: white
  }
}